Gather a following on social media with Shopping Wall QR Code stickers. Create brand buzz online by asking your customers to scan the QR codes with their smart phones and engage with your social media content. Package contains one Facebook sticker, one Instagram sticker, and one Twitter sticker. Each sticker measures 4 inches by 6 inches and is double sided for glass doors. Stickers have NFC (near field communication) chips and QR code functionality to direct customers to your social media accounts.